cccc cccf cccl ccfc ccff ccfl cclc ccoc cfcf cfcl cfco cfcy cfyk ckck ckcl ckco ckcy cklf ckoc ckoo ckoy ckyl clof clok cloo cloy cly- clyk cock coco cofc coff cok- coko coky col- colk coll colo coly coof cook cool coyf coyl coyo cyc- cycc cycl cyl- cylc cyll cyy- cyyc f--k fccf ffcc ffff flcl floc flok floo floy fock foco fofo folc folk foll folo foly foof fook fool foyl k-lo kccc kcck kccl kccy kcfc kcfl kcfo kcfy kckc kckf kckk kckl kcko kcky kclc kclf kclk kcll kcly kcof kcol kcyk kcyl kcyy kfcf kfco kfcy kfff kffk kflc kflf kfll kflo kfly kfok kfoo kfoy kfyo kkck kkcl kkco kkcy kkkk kklc kklf kkll kklo kkol kkoo kkoy kkyc kkyy klcc klck klcl klcy klfc klff klkc klkk klkl klko klky kllc kllk klly kloc klok klol kloo klyc klyk klyy kocf kock kofc koff kofk kofo kofy kokc kokf kokk koko koky kolc kolf kolk koll kolo koly kooc kook kool kooo koyf koyo koyy kycc kyck kykc kykk kyky kyll kylo kyok kyol kyoo kyoy kyyk kyyo kyyy lccc lcfc lfcc llcc lllc llll lloc lloo locc lock loco loff lokk loko loll lolo loly looc loof look lool lyc- lyco lyff lyfy lyly lyo- lyyf occc oclc ofcl off- offc offo offy okko oklo okok okol okyo olcc ollo olly olof olyf ooff oofy ooky oolo oooo oyly yccc ykko ylyk yock yoff yoko yoky yolk yoll yolo yoly yoof yook yool yoyo yyff yyyy